Most life on earth today wouldn't exist without water, but new findings suggest rain may have started the whole process! Dan ...

Over 500 million years ago, the Cambrian Period sparked an explosion of skeletal creativity. Salterella, a peculiar fossil, ...

This year is the 25th anniversary of humans inhabiting the International Space Station. A new PBS documentary looks at how the ISS was built and the challenges of surviving in outer space.

Spanning over three million years, the Palaeolithic saw humanity’s first tools, early cultural development, and the spread of our ancestors across the globe.

The James Webb Space Telescope may have discovered Population III stars, the universe's first generation of stars. They may ...